很高兴能够在这里回答你的问题,这道题的正确答案应该为：
1 How long does it take you to run one kilometer?
It takes me about ten minutes to run one kilometer.
2 How long does it take you to take a shower?
It takes me about fifteen minutes to take a shower.
3 How long does it take you to do homework every day?
It takes me about one hour to do homework every day.
4 How long does it take you to walk away from your house to the nearest river?
It takes me about 30 minutes to walk away from my house to the nearest river.
希望能解决您的问题.